Hydraulic piston for the opening of gates or the like



FIG. 1 is a top and left side perspective view of a hydraulic piston for the opening of gates or the like showing my new design;

FIG. 2 is an opposite side elevational view thereof;

FIG. 3 is a rear end elevational view thereof, and,

FIG. 4 is a front end elevational view thereof. 

The ornamental design for a hydraulic piston for the opening of gates or the like, as shown. 